fix(tor): default to Internal + Full Privacy, clickable shield, sticky dialog buttons

UX improvements based on manual testing feedback:

- Default TorType changed from OFF to INTERNAL (Tor on by default)
- Default preset changed to Full Privacy (all routing via Tor)
- Shield icon always visible in sidebar (not hidden when Off)
- Shield icon clickable — opens Settings
- TorSettingsDialog Cancel/Save buttons sticky at bottom (don't scroll away)
- HorizontalDivider above buttons for visual separation

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

desktopApp/src/jvmMain/kotlin/com/vitorpamplona/amethyst/desktop/tor/DesktopTorPreferences.kt

@@ -37,19 +37,19 @@ object DesktopTorPreferences : ITorSettingsPersistence {
 
     override fun load(): TorSettings =
         TorSettings(
-            torType = TorType.entries.firstOrNull { it.name == prefs.get("tor_type", TorType.OFF.name) } ?: TorType.OFF,
+            torType = TorType.entries.firstOrNull { it.name == prefs.get("tor_type", TorType.INTERNAL.name) } ?: TorType.INTERNAL,
             externalSocksPort = prefs.getInt("tor_external_port", 9050),
             onionRelaysViaTor = prefs.getBoolean("tor_onion_relays", true),
-            dmRelaysViaTor = prefs.getBoolean("tor_dm_relays", false),
-            newRelaysViaTor = prefs.getBoolean("tor_new_relays", false),
-            trustedRelaysViaTor = prefs.getBoolean("tor_trusted_relays", false),
-            urlPreviewsViaTor = prefs.getBoolean("tor_url_previews", false),
-            profilePicsViaTor = prefs.getBoolean("tor_profile_pics", false),
-            imagesViaTor = prefs.getBoolean("tor_images", false),
-            videosViaTor = prefs.getBoolean("tor_videos", false),
-            moneyOperationsViaTor = prefs.getBoolean("tor_money", false),
-            nip05VerificationsViaTor = prefs.getBoolean("tor_nip05", false),
-            mediaUploadsViaTor = prefs.getBoolean("tor_media_uploads", false),
+            dmRelaysViaTor = prefs.getBoolean("tor_dm_relays", true),
+            newRelaysViaTor = prefs.getBoolean("tor_new_relays", true),
+            trustedRelaysViaTor = prefs.getBoolean("tor_trusted_relays", true),
+            urlPreviewsViaTor = prefs.getBoolean("tor_url_previews", true),
+            profilePicsViaTor = prefs.getBoolean("tor_profile_pics", true),
+            imagesViaTor = prefs.getBoolean("tor_images", true),
+            videosViaTor = prefs.getBoolean("tor_videos", true),
+            moneyOperationsViaTor = prefs.getBoolean("tor_money", true),
+            nip05VerificationsViaTor = prefs.getBoolean("tor_nip05", true),
+            mediaUploadsViaTor = prefs.getBoolean("tor_media_uploads", true),
         )
 
     override fun save(settings: TorSettings) {

desktopApp/src/jvmMain/kotlin/com/vitorpamplona/amethyst/desktop/ui/deck/DeckSidebar.kt

@@ -90,12 +90,10 @@ fun DeckSidebar(
             lastPingTimeSec = lastPingTimeSec,
         )
 
-        if (torStatus !is TorServiceStatus.Off) {
         Spacer(Modifier.size(4.dp))
-            TorStatusIndicator(status = torStatus)
-        }
+        TorStatusIndicator(status = torStatus, onClick = onOpenSettings)
 
-        Spacer(Modifier.size(8.dp))
+        Spacer(Modifier.size(4.dp))
 
         IconButton(onClick = onOpenSettings) {
             Icon(

desktopApp/src/jvmMain/kotlin/com/vitorpamplona/amethyst/desktop/ui/tor/TorSettingsDialog.kt

@@ -77,10 +77,12 @@ fun TorSettingsDialog(
         state = rememberDialogState(size = DpSize(480.dp, 640.dp)),
     ) {
         Surface(color = MaterialTheme.colorScheme.background) {
+            Column(modifier = Modifier.padding(24.dp)) {
+                // Scrollable content
                 Column(
                     modifier =
                         Modifier
-                        .padding(24.dp)
+                            .weight(1f)
                             .verticalScroll(rememberScrollState()),
                 ) {
                     // Status
@@ -182,9 +184,12 @@ fun TorSettingsDialog(
                     ToggleRow("Money operations via Tor", editSettings.moneyOperationsViaTor) { editSettings = editSettings.copy(moneyOperationsViaTor = it) }
                     ToggleRow("Media uploads via Tor", editSettings.mediaUploadsViaTor) { editSettings = editSettings.copy(mediaUploadsViaTor = it) }
 
-                Spacer(Modifier.height(24.dp))
+                    Spacer(Modifier.height(16.dp))
+                } // end scrollable content
 
-                // Buttons
+                // Sticky bottom buttons — always visible
+                HorizontalDivider()
+                Spacer(Modifier.height(12.dp))
                 Row(
                     modifier = Modifier.fillMaxWidth(),
                     horizontalArrangement = Arrangement.End,

desktopApp/src/jvmMain/kotlin/com/vitorpamplona/amethyst/desktop/ui/tor/TorStatusIndicator.kt

@@ -30,6 +30,7 @@ import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.Shield
 import androidx.compose.material.icons.outlined.Shield
 import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
@@ -43,12 +44,13 @@ import com.vitorpamplona.amethyst.commons.tor.TorServiceStatus
 
 /**
  * Small shield icon showing Tor connection status in the sidebar footer.
- * Tooltip shows status text (no port number for security).
+ * Clickable to open Tor settings. Tooltip shows status text.
  */
 @OptIn(ExperimentalFoundationApi::class)
 @Composable
 fun TorStatusIndicator(
     status: TorServiceStatus,
+    onClick: (() -> Unit)? = null,
     modifier: Modifier = Modifier,
 ) {
     val (icon, tint, tooltip) =
@@ -86,6 +88,16 @@ fun TorStatusIndicator(
         },
         tooltipPlacement = TooltipPlacement.CursorPoint(alignment = Alignment.BottomEnd, offset = DpOffset(0.dp, 16.dp)),
     ) {
+        if (onClick != null) {
+            IconButton(onClick = onClick, modifier = modifier.size(28.dp)) {
+                Icon(
+                    imageVector = icon,
+                    contentDescription = tooltip,
+                    tint = tint,
+                    modifier = Modifier.size(20.dp),
+                )
+            }
+        } else {
             Icon(
                 imageVector = icon,
                 contentDescription = tooltip,
@@ -94,3 +106,4 @@ fun TorStatusIndicator(
             )
         }
     }
+}